exclude :test_coerce, "needs investigation"
exclude :test_coerce2, "needs investigation"
exclude :test_conv, "needs investigation"
exclude :test_fixed_bug, "needs investigation"
exclude :test_marshal, "needs investigation"
exclude :test_marshal_compatibility, "needs investigation"
exclude :test_parse, "needs investigation"
exclude :test_power_of_0, "needs investigation"
exclude :test_rationalize, "needs investigation"
exclude :test_ratsub, "needs investigation"
exclude :test_remainder, "needs investigation"
exclude :test_ruby19, "needs investigation"
